Bluetooth: Add blacklist support for incoming connections

In some circumstances it could be desirable to reject incoming
connections on the baseband level. This patch adds this feature through
two new ioctl's: HCIBLOCKADDR and HCIUNBLOCKADDR. Both take a simple
Bluetooth address as a parameter. BDADDR_ANY can be used with
HCIUNBLOCKADDR to remove all devices from the blacklist.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2f768de87011..aeb2982310a0 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -562,6 +562,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
         hci_dev_lock_bh(hdev);
         inquiry_cache_flush(hdev);
         hci_conn_hash_flush(hdev);
+        hci_blacklist_clear(hdev);
         hci_dev_unlock_bh(hdev);
 
         hci_notify(hdev, HCI_DEV_DOWN);
@@ -923,6 +924,8 @@ int hci_register_dev(struct hci_dev *hdev)
 
         hci_conn_hash_init(hdev);
 
+        INIT_LIST_HEAD(&hdev->blacklist.list);
+
         memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
 
         atomic_set(&hdev->promisc, 0);